Loudspeaker



FIG. 1 is an isometric view of the loudspeaker;

FIG. 2 is a top view of the loudspeaker;

FIG. 3 is a bottom view of the loudspeaker;

FIG. 4 is a right side view of the loudspeaker;

FIG. 5 is a left side view of the loudspeaker;

FIG. 6 is a front view of the loudspeaker; and,

FIG. 7 is a rear view of the loudspeaker.

The broken line showing on FIG. 7 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a loudspeaker, substantially as shown and described. 